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A279019 as a simple table

na(n)
40
50
62
76
812
920
1030
1142
1256
1372
1490
15110
16132
17156
18182
19210
20240
21272
22306
23342
24380
25420
26462
27506
28552
29600
30650
31702
32756
33812
34870
35930
36992
371056
381122
391190
401260
411332
421406
431482
441560
451640
461722
471806
481892
491980
502070
512162
522256
532352
542450

[0,0,2,6,12,20,30,42,56,72,90,110,132,156,182,210,
 240,272,306,342,380,420,462,506,552,600,650,702,
 756,812,870,930,992,1056,1122,1190,1260,1332,1406,
 1482,1560,1640,1722,1806,1892,1980,2070,2162,2256,
 2352,2450]